Shipping Policy : Battery and Liquid not included during the shipping Wide applications: use to check air conditioning & heating systems , measure air velocity, wind speed, direction, temperature, etc. Features * Wide applications: use to check air c...

Application : It is widely used to test the sound level of environment, mechanic, vehicle, ship and other noise.Fit for industry environment protecting, working, sanitation, teaching search and other departments. Features : * Permits choice "A", "C"...